The Unbelievable FIB 2: Over the Underworld: Audiobook
Book 2 of the Unbelievable Fib series
According to The Books Insider's catalog data, The Unbelievable FIB 2: Over the Underworld runs 8 hours as an unabridged audiobook, narrated by Jennifer Grace (about 5.4 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 8 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 16 days |
| 1 hour / day | 8 days |
| 2 hours / day | 4 days |
| 1 hour / day at 1.5× | 6 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 8 hours, it runs longer than 80% of the 7,923 Mystery & Fantasy audiobooks in our catalog.
Catching up on Unbelievable Fib
This is book 2. Book 1 runs 7.4 hours before it; books 1 to 2 run 15.5 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Entirely True Story of the Unbelievable FIB: The Trickster's Tale | 7.4 hrs |
| 2 | The Unbelievable FIB 2: Over the Underworld | 8 hrs |
More narrated by Jennifer Grace
Jennifer Grace narrates 38 unabridged audiobooks in our catalog, 372 hours in all.
About as long, on the Mystery & Fantasy shelf
1,076 Mystery & Fantasy audiobooks in our catalog run within 10% of this length. The most popular on the store:
Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.
About this listen
The Unbelievable FIB 2: Over the Underworld is book 2 of Adam Shaughnessy's Unbelievable Fib series: a 8-hour unabridged recording, read by Jennifer Grace, released September 6, 2016, on the Mystery & Fantasy and Fairy Tales & Folklore (Kids) shelves.
The listen at a glance
- Length
- 8 hrs
- Narrated by
- Jennifer Grace
- Released
- September 6, 2016
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Mystery & Fantasy, Fairy Tales & Folklore (Kids)
- Series
- Unbelievable Fib #2
- ISBN
- 9781501939617
How to listen to The Unbelievable FIB 2: Over the Underworld free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is The Unbelievable FIB 2: Over the Underworld as an audiobook?
The Unbelievable FIB 2: Over the Underworld runs 8 hours unabridged. At 1.5× speed that drops to roughly 5.4 hours.
Is The Unbelievable FIB 2: Over the Underworld free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Unbelievable FIB 2: Over the Underworld?
The Unbelievable FIB 2: Over the Underworld is narrated by Jennifer Grace.